Stealing Maggie's Secrets -- On the Challenges of IP Theft Through FPGA Reverse Engineering
- URL: http://arxiv.org/abs/2312.06195v3
- Date: Tue, 3 Sep 2024 14:14:21 GMT
- Title: Stealing Maggie's Secrets -- On the Challenges of IP Theft Through FPGA Reverse Engineering
- Authors: Simon Klix, Nils Albartus, Julian Speith, Paul Staat, Alice Verstege, Annika Wilde, Daniel Lammers, Jörn Langheinrich, Christian Kison, Sebastian Sester-Wehle, Daniel Holcomb, Christof Paar,
- Abstract summary: We present a real-world case study on a Lattice iCE40 FPGA found inside iPhone 7.
By reverse engineering the proprietary signal-processing algorithm implemented on Maggie, we generate novel insights into the actual efforts required to commit FPGA IP theft.
We then introduce general netlist reverse engineering techniques that drastically reduce the required manual effort.
- Score: 5.695727681053481
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Intellectual Property (IP) theft is a cause of major financial and reputational damage, reportedly in the range of hundreds of billions of dollars annually in the U.S. alone. Field Programmable Gate Arrays (FPGAs) are particularly exposed to IP theft, because their configuration file contains the IP in a proprietary format that can be mapped to a gate-level netlist with moderate effort. Despite this threat, the scientific understanding of this issue lacks behind reality, thereby preventing an in-depth assessment of IP theft from FPGAs in academia. We address this discrepancy through a real-world case study on a Lattice iCE40 FPGA found inside iPhone 7. Apple refers to this FPGA as Maggie. By reverse engineering the proprietary signal-processing algorithm implemented on Maggie, we generate novel insights into the actual efforts required to commit FPGA IP theft and the challenges an attacker faces on the way. Informed by our case study, we then introduce generalized netlist reverse engineering techniques that drastically reduce the required manual effort and are applicable across a diverse spectrum of FPGA implementations and architectures. We evaluate these techniques on six benchmarks that are representative of different FPGA applications and have been synthesized for Xilinx and Lattice FPGAs, as well as in an end-to-end white-box case study. Finally, we provide a comprehensive open-source tool suite of netlist reverse engineering techniques to foster future research, enable the community to perform realistic threat assessments, and facilitate the evaluation of novel countermeasures.
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